You can fix many website problems by clearing your browser cache and cookies. Here's how:
After following these instructions, revisit the previously-misbehaving website.
Hope this helps!
* (optional) Advanced instructions for the technically-savvy:
Instead of clearing absolutely everything, but you might find it more convenient to clear everything except for your passwords and browsing history, as shown in the example image below. And then if you still have a browser problem, you can always try again and clear everything the next time.